96 lines
3.9 KiB
Ucode
96 lines
3.9 KiB
Ucode
|
class SkelControlLimb extends SkelControlBase
|
||
|
|
native(Anim);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Controller Specifically designed for 2-bone limbs with an elbow-like joint in the middle.
|
||
|
|
* Should be set up to act on the bone at the end of the limb - ie the hand in the case of an arm.
|
||
|
|
*/
|
||
|
|
|
||
|
|
cpptext
|
||
|
|
{
|
||
|
|
// USkelControlBase interface
|
||
|
|
virtual void GetAffectedBones(INT BoneIndex, USkeletalMeshComponent* SkelComp, TArray<INT>& OutBoneIndices);
|
||
|
|
virtual void CalculateNewBoneTransforms(INT BoneIndex, USkeletalMeshComponent* SkelComp, TArray<FBoneAtom>& OutBoneTransforms);
|
||
|
|
|
||
|
|
virtual INT GetWidgetCount();
|
||
|
|
virtual FBoneAtom GetWidgetTM(INT WidgetIndex, USkeletalMeshComponent* SkelComp, INT BoneIndex);
|
||
|
|
virtual void HandleWidgetDrag(INT WidgetIndex, const FVector& DragVec);
|
||
|
|
virtual void DrawSkelControl3D(const FSceneView* View, FPrimitiveDrawInterface* PDI, USkeletalMeshComponent* SkelComp, INT BoneIndex);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Where you want the controlled bone to be. Will be placed as close as possible within the constraints of the limb. */
|
||
|
|
var(Effector) vector EffectorLocation;
|
||
|
|
|
||
|
|
/** Reference frame that the DesiredLocation is defined in. */
|
||
|
|
var(Effector) EBoneControlSpace EffectorLocationSpace;
|
||
|
|
|
||
|
|
/** Name of bone used if DesiredLocationSpace is BCS_OtherBoneSpace or BCS_BaseMeshSpace. */
|
||
|
|
var(Effector) name EffectorSpaceBoneName;
|
||
|
|
|
||
|
|
/** Point in space where the joint should move towards as it bends. */
|
||
|
|
var(Joint) vector JointTargetLocation;
|
||
|
|
|
||
|
|
/** Reference frame in which JointTargetLocation is defined. */
|
||
|
|
var(Joint) EBoneControlSpace JointTargetLocationSpace;
|
||
|
|
/** Name of bone used if JointTargetLocationSpace is BCS_OtherBoneSpace. */
|
||
|
|
var(Joint) name JointTargetSpaceBoneName;
|
||
|
|
/** Apply an Offset to the Joint (Elbow) bone. This will create stretching! */
|
||
|
|
var(Joint) Vector JointOffset;
|
||
|
|
/** Space this offset is in */
|
||
|
|
var(Joint) EBoneControlSpace JointOffsetSpace;
|
||
|
|
/** Optional bone name to be used by JoinOffsetSpace */
|
||
|
|
var(Joint) name JointOffsetBoneName;
|
||
|
|
|
||
|
|
/** Axis of graphical bone to align along the length of the bone. */
|
||
|
|
var(Limb) EAxis BoneAxis;
|
||
|
|
|
||
|
|
/** Axis of graphical bone to align along the hinge axis of the joint. */
|
||
|
|
var(Limb) EAxis JointAxis;
|
||
|
|
|
||
|
|
/** If we want to invert BoneAxis when constructing the transform for the bones. */
|
||
|
|
var(Limb) bool bInvertBoneAxis;
|
||
|
|
|
||
|
|
/** If we want to invert JointAxis when constructing the transform for the bones. */
|
||
|
|
var(Limb) bool bInvertJointAxis;
|
||
|
|
/** Experiment to Rotate Joint Bone, rather than creating a new Matrix for it. */
|
||
|
|
var(Limb) bool bRotateJoint;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* If true, modify the relative rotation between the end 'effector' bone and its parent bone. If false,
|
||
|
|
* the rotation of the end bone will not be modified by this controller.
|
||
|
|
*/
|
||
|
|
var(Limb) bool bMaintainEffectorRelRot;
|
||
|
|
|
||
|
|
/** If true, rotation of effector bone is copied from the bone specified by EffectorSpaceBoneName. */
|
||
|
|
var(Limb) bool bTakeRotationFromEffectorSpace;
|
||
|
|
|
||
|
|
/** Is Limb allowed to stretch to reach its target? */
|
||
|
|
var() bool bAllowStretching;
|
||
|
|
/**
|
||
|
|
* Stretching limits.
|
||
|
|
* X represents the relative length of the limb at which it will start stretching.
|
||
|
|
* Y represents the maximum stretch factor allowed.
|
||
|
|
* For example (X=0.5,Y=2.f) will mean that the limb is allowed to stretch up to twice its length.
|
||
|
|
* And it will start stretching when shoulder to effector distance is half of the full arm length.
|
||
|
|
*/
|
||
|
|
var() Vector2D StretchLimits;
|
||
|
|
/** Name of Roll Bone to stretch as well. */
|
||
|
|
var() Name StretchRollBoneName;
|
||
|
|
|
||
|
|
defaultproperties
|
||
|
|
{
|
||
|
|
EffectorLocationSpace=BCS_WorldSpace
|
||
|
|
JointTargetLocationSpace=BCS_WorldSpace
|
||
|
|
|
||
|
|
BoneAxis=AXIS_X
|
||
|
|
JointAxis=AXIS_Y
|
||
|
|
|
||
|
|
StretchLimits=(X=0.71f,Y=1.2f)
|
||
|
|
|
||
|
|
CategoryDesc = "Limb"
|
||
|
|
|
||
|
|
bIgnoreWhenNotRendered=TRUE // IK Controllers can typically be skipped when mesh is not rendered.
|
||
|
|
}
|